Browse the Top Private Investigators Serving Fairfield, CA

Martin & Associates Investigation provides professional private investigation and security services in Oakley, CA. Specializing in fraud detection, surveillance, and legal support, the company leverages over 28 years of investigative experience. Its services include video forensics, background checks, and expert witness testimony for law firms and insurance companies.

Fire Cause Analysis provides fire investigation, forensic engineering, and technical services to insurance and legal clients. Founded in 1977, we specialize in origin and cause determinations using scientific methods and advanced technology. Our team of certified experts delivers reliable analysis for residential, commercial, and industrial incidents nationwide.

Spencer Legal Investigations provides specialized legal investigative services for attorneys, businesses, and private clients. We focus on criminal defense, personal injury, and family law cases, combining over 30 years of investigative expertise with a commitment to ethical practices. Our team delivers results through thorough research, surveillance, and witness engagement.

TheirWords provides forensic statement analysis training to detect deception through linguistic polygraph techniques. Our programs, developed by experts with law enforcement and forensic psychology backgrounds, include online courses, proprietary software (F.A.S.T. Macro), and hands-on instruction. We serve investigators, legal professionals, and security teams seeking advanced tools to analyze statements and enhance interrogation outcomes.

Fine and Associates provides expert investigation and litigation consulting services, specializing in criminal defense, civil litigation, and internal investigations. We deliver discreet, sophisticated fact-finding solutions for individuals, law firms, and corporations nationwide. Our team combines legal expertise with investigative excellence to uncover critical information that shapes case outcomes.

Montano & Associates International Investigations specializes in corporate investigations, brand protection, and fraud prevention services for global clients. The firm offers tailored solutions to mitigate risks such as intellectual property theft, embezzlement, and competitive threats. By combining decades of experience with certified expertise, it safeguards assets and ensures operational integrity for businesses worldwide.

Perez Investigations is a California-licensed private investigation firm specializing in insurance defense, Workers' Compensation, and Liability cases. Since 1982, we have provided surveillance, background checks, and digital evidence collection using secure, technology-driven methods. Our clients include insurance companies, law firms, and self-insured entities seeking reliable investigative solutions.